<!DOCTYPE html>
<html lang="en" xmlns:v-dind="http://www.w3.org/1999/xhtml" xmlns:v-bind="http://www.w3.org/1999/xhtml"
      xmlns:v-model="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="../../js/vue/html.js"></script>
</head>
<body>
<div id="nb">
    <span>-------------v-bind:单向-------------</span><br/>
    v-bind:<input type="text" name="username" v-bind:value="username"><br/>
    <span>------------------------------</span><br/>
    <span>-------------v-model:双向-------------</span><br/>
    v-model:<input type="text" name="username" v-model:value="username"><br/>
</div>

<script>
    var vue = new Vue({
        el:"#nb",
        data:{
            username:"靓仔",
        }
    })
</script>
</body>
</html>